CN216521409U

CN216521409U - Light guide structure for vehicle

Info

Publication number: CN216521409U
Application number: CN202122249455.5U
Authority: CN
Inventors: 陈晓毅; 徐岩修; 苏佳彬
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-05-13
Anticipated expiration: 2031-09-16

Abstract

The utility model provides a light guide structure for a vehicle, which comprises a first collimating part, a second collimating part, a thick wall part, a first reflecting part and a second reflecting part, wherein the first collimating part collects at least one part of light emitted by an LED light source, and forms the collected light into parallel light which is emitted out through a first light emitting surface; the second collimation part collects at least one part of light emitted by the LED light source, and the collected light forms parallel light and is transmitted in the thick-wall part; the thick-wall part is a transmission path for parallel light rays formed by the second collimation part; the first reflecting part reflects the light transmitted from the thick wall part; the second reflection part reflects the light reflected by the first reflection part and emits the light through the second light emitting surface, so that a plurality of light emitting windows can be lightened simultaneously under the condition that a group of light sources are used, the lightening of different shapes of the windows can be realized, the space and the design cost are saved, and the feasibility is provided for the multiplexing of the window functions.

Description

Light guide structure for vehicle

Technical Field

The utility model relates to the technical field of vehicle lamps, in particular to a light guide structure for a vehicle.

Background

With the rapid development of automobile lighting technology, the design of the car lamp is not only required to meet the requirements of laws and regulations, but also the shape of the car lamp is personalized day by day, but the internal space of the car lamp is narrow, and in order to meet the requirements of people on the personalization of the car lamp, the car lamp is often realized by means of car lamp multi-windowing, window function multiplexing and the like, but the existing light guide structure for the car cannot meet the requirements of the car lamp multi-windowing and the window function multiplexing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a light guide structure for a vehicle, which solves the problem that the existing light guide structure for the vehicle cannot meet the requirements of vehicle lamp multi-windowing and window function multiplexing, can simultaneously light a plurality of light emitting windows under the condition of using a group of light sources, can realize the lighting of the plurality of windows in different shapes, and has small occupied space.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model discloses a light guide structure for a vehicle, which comprises a first collimating part, a second collimating part, a thick wall part, a first reflecting part and a second reflecting part, wherein the first collimating part is used for collecting at least one part of light rays emitted by an LED light source, forming the collected light rays into parallel light rays and emitting the parallel light rays through a first light emitting surface; the second collimation part is used for collecting at least one part of light rays emitted by the LED light source, forming the collected light rays into parallel light rays and transmitting the parallel light rays in the thick-wall part; the thick-wall part is a transmission path for the parallel light rays formed by the second collimation part; a first reflecting portion for reflecting the light transmitted through the thick wall portion; the second reflection part is used for reflecting the light reflected by the first reflection part and emitting the light through the second light emitting surface.

Further, the first collimating portion and the second collimating portion are both collimating lenses.

Furthermore, patterns are arranged on the light incident surfaces of the first alignment portion and the second alignment portion.

Further, the surface of the first reflection part is a smooth surface or an aluminum-plated surface or a patterned surface.

Further, the surface of the second reflection part is a smooth surface or an aluminized surface or a rough surface with dermatoglyph.

Further, the reflection structure of the second reflection part is one of a micro pattern structure, a cylindrical pattern structure and a wedge pattern structure which are arranged in a matrix form.

Further, the first collimating section is a tension concentrator.

The beneficial technical effects are as follows:

1. the utility model discloses a light guide structure for a vehicle, which comprises a first collimating part, a second collimating part, a thick wall part, a first reflecting part and a second reflecting part, wherein the first collimating part is used for collecting at least one part of light rays emitted by an LED light source, forming the collected light rays into parallel light rays and emitting the parallel light rays through a first light emitting surface; the second collimation part is used for collecting at least one part of light rays emitted by the LED light source, forming the collected light rays into parallel light rays and transmitting the parallel light rays in the thick-wall part; the thick-wall part is a transmission path for the parallel light rays formed by the second collimation part; a first reflecting portion for reflecting the light transmitted through the thick wall portion; the second reflection part is used for reflecting the light reflected by the first reflection part and emitting the light through the second light emitting surface, so that the problem that the conventional light guide structure for the vehicle cannot meet the requirements of multiple windows and window function multiplexing of the vehicle lamp is solved, a plurality of light emitting windows can be simultaneously lightened under the condition that a group of light sources are used, the lightening of different shapes of the windows can be realized, and the occupied space is small;

2. the light guide structure for the vehicle is provided with the first reflection part and the second reflection part, light is reflected for multiple times by the first reflection part and the second reflection part, a light distribution area is enlarged, and a light emitting area is enlarged;

3. the reflection structure of the second reflection part of the light guide structure for the vehicle is one of a micro pattern structure, a cylindrical pattern structure and a wedge-shaped pattern structure which are arranged in a matrix manner, so that the vehicle lamp can uniformly emit light;

4. the length of the thick wall part in the light guide structure for the vehicle is variable, so that the stretching length of the thick wall part can be extended or shortened according to the modeling space, and the light guide structure for the vehicle is high in practicability.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic overall structure diagram of a vehicular light guiding structure according to the present invention;

fig. 2 is a front view of a vehicular light guiding structure according to the present invention;

FIG. 3 is a schematic view of the longitudinal interface of FIG. 2;

FIG. 4 is a matrix arrangement of micro-patterned reflective structures of the second reflective portion;

FIG. 5 is a second reflective portion of a patterned columnar reflective structure;

FIG. 6 is a wedge shaped patterned reflective structure of a second reflective portion;

fig. 7 is a schematic view of a diffusion pattern of the first alignment portion.

The LED display panel comprises a light source, a first collimating portion, a second collimating portion, a thick wall portion, a first reflecting portion, a second reflecting portion, a 6-first light-emitting surface and a 7-second light-emitting surface, wherein the light source is arranged in the light source.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The utility model discloses a light guide structure for a vehicle, which specifically comprises a first collimating part 1, a second collimating part 2, a thick wall part 3, a first reflecting part 4 and a second reflecting part 5, wherein the first collimating part 1 is used for collecting at least part of light rays emitted by an LED light source, the collected light rays are formed into parallel light rays and emitted out through a first light emitting surface 6, the first collimating part 1 can be a collimating lens in various forms, can be a traditional collimating lens or a stretching collimating lens or a convex collimating lens, preferably, the first collimating part 1 is selected as a stretching condenser in the embodiment, the light incident surface of the first collimating part 1 can be provided with fringe diffusion or corn grain diffusion or skin lines added on the surface to realize fine adjustment of the light ray direction, referring to fig. 7, the duty ratio of the area of the first alignment portion 1 can be adjusted according to the actual situation of the lamp; the second collimating portion 2 is used for collecting at least a part of light rays emitted by the LED light source, forming the collected light rays into parallel light rays and transmitting the parallel light rays in the thick wall portion 3, the second collimating portion 2 can be a collimating lens in various forms, and can be a traditional collimating lens or a stretching collimating lens or a convex collimating lens, preferably, the second collimating portion 2 is also selected as a stretching condenser in the embodiment, the light incident surface of the second collimating portion 2 can be provided with stripe diffusion or corn kernel bloom diffusion or a dermatoglyph is added on the surface, so that the fine adjustment of the light ray direction is realized, and the regional duty ratio of the second collimating portion 2 can be adjusted according to the actual condition of the lamp; the thick wall part 3 provides a transmission path for the parallel light rays formed by the second collimating part 2, and particularly, the stretching length of the thick wall part 3 can be extended or shortened according to the modeling space, so that the practicability is stronger; the first reflecting part 4 is used for reflecting the light transmitted from the thick-walled part 3, the inclined angle of the first reflecting part 4 is optimally 45 degrees with the light transmitted from the thick-walled part 3, of course, the angle can be adjusted within the range of 0-90 degrees according to specific conditions, the surface of the first reflecting part 4 can be a smooth surface, the surface of the first reflecting part can be plated with aluminum, and a diffusion pattern can be arranged on the surface of the first reflecting part 4; the second reflecting portion 5 is used for reflecting the light reflected by the first reflecting portion 4 and emitting the light through the second light emitting surface 7, preferably, the second light emitting surface 7 has a structural thickness of 2.5mm-4mm, the second reflecting portion 5 has a plurality of reflecting structures, which may be micro-pattern structures arranged in a matrix form, see fig. 4, (the single pattern size is best between 0.1mm-0.3 mm) or cylindrical pattern structures, see fig. 5, or wedge-shaped pattern structures, see fig. 6, and the surface of the second reflecting portion 5 may be a smooth surface or an aluminum-plated surface or a rough surface with dermatoglyph, and finally, the surface processing method is not limited herein and can be adjusted according to different modeling effects required by the vehicle lamp, and the light guiding structure for vehicle disclosed by the present invention can simultaneously illuminate a plurality of light emitting windows under the condition that a group of light sources is used, the lighting requirements of different shapes of a plurality of windows can be met, and the occupied space is small.

The specific working process of the light guide structure for the vehicle disclosed by the utility model is as follows:

part of light rays emitted by the LED light source are collimated after passing through the first straight part 1 (the stretching condenser), and the light incident surface of the first straight part 1 is provided with diffusion patterns, so that the light rays passing through the first straight part 1 have a certain diffusion angle on the basis of the main light emitting direction and are emitted from the first light emitting surface 6; the other part of light emitted by the LED light source is collimated after passing through the second collimating part 2, because the surface of the second collimating part is provided with patterns, the direction of the light can be finely adjusted, the adjusted light is transmitted to the first reflecting part 4 through the thick wall part 3, the light is continuously transmitted after the direction of the light is changed by the first reflecting part 4 and reaches the second reflecting part 5, after being reflected by the second reflecting part 5, the light direction is changed again and then is emitted from the second light emitting surface 7, the light is emitted from the second light emitting surface through the regional design of the collimating parts, and meanwhile, the related reflecting parts are matched, so that the optical effect that the single light source simultaneously lights two light emitting surfaces is achieved, the occupied space is small, and a more effective space solution is provided for a lamp with more and compact light emitting windows.

The light guide structure for the vehicle, disclosed by the utility model, has the advantages that the light rays emitted by the group of LED light sources are reflected for multiple times by the first reflecting part and the second reflecting part, so that the light ray distribution area is enlarged, the light emitting area is expanded, meanwhile, through the regional design of the standard part, and the related reflecting parts are matched, a plurality of light emitting windows can be simultaneously lightened under the condition of the group of light sources, the lightening requirements of different shapes of the two windows can be met, the occupied space is small, and a design thought is provided for realizing the multi-window reuse of the vehicle lamp.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides an automobile-used light guide structure which characterized in that includes:

the first collimating part (1) is used for collecting at least one part of light rays emitted by the LED light source, forming the collected light rays into parallel light rays and emitting the parallel light rays through the first light emitting surface (6);

the second collimation part (2) is used for collecting at least one part of light rays emitted by the LED light source, forming the collected light rays into parallel light rays and transmitting the parallel light rays in the thick-wall part (3);

a thick-walled portion (3), the thick-walled portion (3) providing a transmission path for the parallel light rays formed by the second collimating portion (2);

a first reflecting portion (4) for reflecting the light transmitted through the thick wall portion (3);

and the second reflection part (5) is used for reflecting the light rays reflected by the first reflection part (4) and emitting the light rays through the second light emitting surface (7).

2. The vehicular light guide structure according to claim 1, wherein the first collimating portion (1) and the second collimating portion (2) are collimating lenses.

3. The vehicular light guide structure according to claim 2, wherein the light incident surface of the first straight portion (1) and the second straight portion (2) is provided with patterns.

4. A vehicular light guiding structure according to claim 1, wherein the surface of the first reflecting portion (4) is a smooth surface or a textured surface.

5. A vehicular light guiding structure according to claim 1, wherein the surface of the second reflecting portion (5) is a smooth surface or a rough surface with dermatoglyph.

6. A vehicular light guiding structure according to claim 1, wherein the reflective structure of the second reflective portion (5) is one of a micro pattern structure, a columnar pattern structure and a wedge pattern structure arranged in a matrix.

7. A vehicular light guiding structure according to claim 2, wherein the first straight portion (1) is a stretched concentrator.

8. A vehicular light guiding structure according to claim 1, characterized in that the length of the thick wall portion (3) is variable.